look up any word, like b4nny:
 
1.
attempting to do parkour but really just randomly jumping over stuff. Derived from a "Office" skit in season 6 episode 1.
The Office "Parkour in the Office"
"Hardcore parkour!" (jumps over chair)
by adchan June 19, 2011
 
2.
What the cool kids do. Can be messing around acting hardXcore or just chillin'.
Jack: Yo dude, what you up to 2nite then?
Jim: Doin' some hardcore parkour. You?
Jack: Just Xbox. I guess I'm not as rad or gnarly as you.

---

(Phil jumps onto a ketchup packet and it sprays all over a year 7)

Fred: Dude that is SO Hardcore Parkour.
by I AM GNARLY May 08, 2010